From 924361aef931a8f0c366b1090021d5be13c37c6b Mon Sep 17 00:00:00 2001 From: Zhou Sheng Date: Sat, 26 May 2007 03:43:13 +0000 Subject: [PATCH] Correct the logic in LowerPartSet which cleared the bits from 0 to low-1. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37331 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/IntrinsicLowering.cpp | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/lib/CodeGen/IntrinsicLowering.cpp b/lib/CodeGen/IntrinsicLowering.cpp index b870545008a..c2e4024d11a 100644 --- a/lib/CodeGen/IntrinsicLowering.cpp +++ b/lib/CodeGen/IntrinsicLowering.cpp @@ -557,11 +557,13 @@ static Instruction *LowerPartSet(CallInst *CI) { Rplcmnt->addIncoming(NewRes, reverse); Rplcmnt->addIncoming(Rep4, small); Value* t0 = CastInst::createIntegerCast(NumBits,ValTy,false,"",result); - Value* t1 = BinaryOperator::createShl(ValMask, t0, "", result); - Value* t2 = BinaryOperator::createShl(t1, Lo, "", result); - Value* t3 = BinaryOperator::createAnd(t2, Val, "", result); - Value* t4 = BinaryOperator::createShl(Rplcmnt, Lo, "", result); - Value* Rslt = BinaryOperator::createOr(t3, t4, "part_set", result); + Value* t1 = BinaryOperator::createShl(ValMask, Lo, "", result); + Value* t2 = BinaryOperator::createNot(t1, "", result); + Value* t3 = BinaryOperator::createShl(t1, t0, "", result); + Value* t4 = BinaryOperator::createOr(t2, t3, "", result); + Value* t5 = BinaryOperator::createAnd(t4, Val, "", result); + Value* t6 = BinaryOperator::createShl(Rplcmnt, Lo, "", result); + Value* Rslt = BinaryOperator::createOr(t5, t6, "part_set", result); new ReturnInst(Rslt, result); }